garrison



(No Model.)

W. F. GARRISON.

LUBRIGATOR.

No. 491,477. Patented Feb. 7, 1893.

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Uni-ran dramas Parent @rmcn.

WILLIAM F. GARRISON, OF BROOKLYN, NEIV YORK, ASSIGNOR TO GUIIID do GARRISON, OF SAME PLACE.

LUBRICATOR.

SPECIFICATION forming part of Letters Patent No. 491,477, dated February 7, 1893.

Application filed November 10, 1892. Serial No. 451,486- (No model.)

To all whom it may concern: The box A is represented as made with Be it known that I, \VILLIAM F. GARRIsON, flanges i i at its ends through which to conof Brooklyn, in the county of Kings and State nect it with the cylinder in such manner that of New York, have invented a new and useits two compartments Z) I) may communicate 5 f 111 Improvement in Lubricating Devices for respectively with the two ends of the cylinder. Air and Gas Pumps, of which the following In the example illustrated the lubricating is a specification. device is applied to a well known kind of The object of this invention is to provide pump the cylinder O of which is surrounded for the automatic supply in properly reguby a jacketD in whichis a diaphragmE which 6o [0 lated quantities of the lubricating liquid emdivides the said jacket into two parts one of ployed for the cylinders of pumps for moving which communicates only with one end and gaseous bodies. the other only with the other end of the cyl- The invention consists in the novel and inder, the induction to and the eduction from very simple and compact device hereinafter the cylinder taking place through the said 15 described and claimed for that purpose. jacket.

Figure 1 represents a vertical section of my In adapting my invention to a pump of this lubricating device and a portion of the side kind the box A may be made very short as of a pump cylinder to which it is attached. the communications of its compartments Z) b Fig. 2 represents a horizontal section of my with the cylinder may be made very near the 2o device and of part of a pump cylinder to diaphragm E, but for other kinds of pumps which it is attached. the box may be elongated to bring its com- Similar letters of reference designate correpartments into communication with the cylsponding parts in both the figures. inder close to the heads thereof, or instead of A is a box which is divided by partitions elongating the box pipes may be used to make 2:; into three compartments a and b b, of which communications between the valve openings the compartment a has an inlet opening to c c and the ends of the cylinder as may be receive a pipe B for connection with a reserwell understood without special illustration. voir containingthe lubricating liquid and the For a vacuum or exhaust pump the resercompartments Z1 and b are to be in communivoir which supplies the lubricating liquid o cation through outlet openings 0 c with opthrough the pipe B may open to the atmosposite ends of the cylinder of the pump to be phere; but for a compression pump the said lubricated. The said openings 0 0' have proreservoir must be closed and the liquid be vided around them the seats for two valves 61 subjected to artificial pressure. d, the stems of which are screw-threaded to The valves (1 (Z are always set open only so 3 5 fit nuts 6 c which are screwed into the back much as is necessary to supply at each stroke of the box A. The said nuts contain stuffingof the pump the quantity of water or oil relooxes for the valve stems which are provided quired to make up for that which is unavoidwith handles ff at their outer ends by which ably wasted or carried off at each stroke; and to close or regulate the opening of the valves. it may be here mentioned that when water is 0 4,0 In the partition which separates the compartused, it will be used to fill the clearance, ment at from the compartments 1) b, there are and also to lubricate. The operation is then openings fitted with puppet valves 9 g which as follows: As the pump piston moves in are self-closing by their own weight or by any either direction the valve g or g forming comeXcess of pressure in the compartments 1) b munication with that end of the cylinder to 5 45 as compared with that in a, but either of ward which the piston moves will close autowhich may be opened by a certain excess of matically and the valve g or g forming compressure in the compartment a as compared munication with the other end will open autowith that in its respective compartment 2) or matically and allow the passage into the cylb. Opposite the valves 9 g there are removinder of as much of the lubricating liquid as 5o able bonnets h h to provide for the removal is permitted by the valve cl or d according to or grinding of the said valves. the degree of opening of the latter valve. The

the ends of the pump cylinder, two valves for automatically opening and closing communication between the first mentioned compartment and the other tWo compartments respectively and two adjustable valves for closing and regulating the opening of the outlets of the said two compartments each independ- 2o ently of the other, substantially as and for the purpose herein set forth.

WILLIAM F. GARRISON. \Vitnesses:

FREDK. HAYNES, I. B. DECKER. 

